72334-28-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 72334-28-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,3,3 and 4 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 72334-28:
(7*7)+(6*2)+(5*3)+(4*3)+(3*4)+(2*2)+(1*8)=112
112 % 10 = 2
So 72334-28-2 is a valid CAS Registry Number.